RESUMEN: Se presenta una aproximacion a lo que se concibe como Ciencia de la Informacion y Gestion del Conocimiento, para luego establecer algunas relaciones que se aprecian en la dinamica de ambas areas del saber y en especial en el ambito del desempeno bibliotecologico, para culminar con unas conclusiones sobre los temas abordados. ABSTRACT: It presents an approximation of what is conceived as the Information Science and Knowledge Management, in order to establish some relationships that are appreciated in the dynamics of both dimensions of knowledge and especially in the area of the librarianship performance, to culminate with a few conclusions about the topics being addressed.